Sheathed Thermocouple
This series is suitable for compact installation, vibration, and fast-response measurement. Probe length, bending angle, junction type, connector, thread, and cable configuration can be customized for OEM and replacement applications.
Need help choosing between different thermocouple constructions? See our Sheathed vs Assembly Thermocouple comparison guide for selection advice on response time, installation, protection, and industrial applications.
Sheathed Thermocouple Product Series
| Product | Main Feature | Typical Use |
|---|---|---|
| Sheathed Thermocouple | Straight, L-type, and custom-bent mineral-insulated probe | General industrial temperature measurement |
| Spring Loaded Thermocouple | Spring-loaded mounting for improved contact and installation flexibility | Injection molding machines, molds, and machinery |
| Mini Plug Thermocouple | Compact plug connection for quick installation and replacement | Compact equipment, instruments, and molds |
| Threaded Compression Fitting Thermocouple | Threaded or compression fitting for secure probe installation | Pipelines, process equipment, and machinery |
| Ultra-Thin Fine Diameter Sheathed Thermocouple | Small-diameter probe for restricted spaces and fast response | Small measurement points and compact equipment |
Sheathed Thermocouple Configurations
| Configuration | Typical Features | Recommended Use |
|---|---|---|
| Straight Sheathed Thermocouple | Straight probe for direct installation | General industrial equipment, molds, ovens, pipelines, laboratory instruments |
| L-Type Sheathed Thermocouple | Standard 90° right-angle bend | Side-entry installation and limited mounting space |
| Custom Bend | Non-90° bending according to drawing or sample | Special OEM installation requirements |
Thermocouple Type Selection
| Type | Temperature Range | Common Applications |
|---|---|---|
| Type K | -200°C to 1260°C | Furnaces, kilns, machinery, general industrial measurement |
| Type J | -40°C to 750°C | Injection molding, plastic processing, machinery |
| Type T | -200°C to 350°C | Low-temperature measurement, refrigeration, food processing |
| Type E | -200°C to 800°C | Testing equipment, laboratory systems, precision measurement |
| Type N | -200°C to 1300°C | Industrial furnaces and demanding high-temperature equipment |
Actual operating temperature depends on thermocouple type, sheath material, probe diameter, atmosphere, installation conditions, and required service life. Platinum-rhodium S/R/B versions are available by custom order.
Stock Sizes
| Probe Diameter | Available Length | Sheath Material |
|---|---|---|
| Φ0.5 mm | 10–500 mm | SS316 |
| Φ1 mm | 10–1000 mm | SS316 |
| Φ2 mm | 10–1500 mm | SS304 / SS316 |
| Φ3 mm | 10–2000 mm | SS304 / SS316 |
| Φ4 mm | 10–2000 mm | SS304 / SS316 / Inconel 600 |
| Φ6 mm | 10–2000 mm | SS304 / SS316 / Inconel 600 |
| Φ8 mm | 10–2000 mm | SS304 / SS316 / Inconel 600 |
| Φ10 mm | 10–2000 mm | SS304 / SS316 / Inconel 600 |
General Options
| Item | Available Options |
|---|---|
| Insulation | High-purity MgO mineral insulation |
| Junction | Grounded / Ungrounded; exposed junction by special custom order |
| Connection | Flying leads, mini-plug, standard thermocouple connector |
| Lead Wire | Custom length available |
| Thread | No thread for standard models; M16×1.5 / M20×1.5 optional |
| Cable Shield | Optional metal braid shield |
| Accuracy | Class 2 standard; Class 1 optional according to IEC 60584-1 |
Response Time by Probe Diameter
| Probe Diameter | Typical Response Time* |
|---|---|
| Φ0.5 mm | 0.3–0.6 s |
| Φ1 mm | 0.6–1.0 s |
| Φ2 mm | 1.0–1.8 s |
| Φ3 mm | 1.5–2.5 s |
| Φ4 mm | 2–3 s |
| Φ6 mm | 3–4 s |
| Φ8–10 mm | 4–5 s |
*Typical response time when immersed in the measured medium. Actual performance depends on installation and process conditions.
Recommended Diameter Selection
| Diameter | Recommended Use |
|---|---|
| Φ0.5–1 mm | Narrow spaces, small measurement points, fast response |
| Φ2–3 mm | General-purpose measurement, molds, injection molding machines |
| Φ4–6 mm | Vibration resistance, pipelines, boilers, medium-duty equipment |
| Φ8–10 mm | Heavy industrial equipment and applications requiring a larger protective sheath |
Typical Applications
- Injection molding machines and molds
- Extruders and plastic processing equipment
- Industrial ovens and heat-treatment furnaces
- Boilers and pipelines
- Laboratory instruments
- Food baking and heating equipment
For broader industrial applications, see our Thermocouple Applications page.
How to Choose a Sheathed Thermocouple
- Select the Thermocouple Type: Choose K, J, T, E, or N according to temperature and application requirements. For a broader comparison of K, J, T, E, N, S, R, and B options, see our thermocouple types and selection guide.
- Select the Probe Diameter: Use a smaller diameter for restricted spaces and faster response, or a larger diameter for greater mechanical protection.
- Choose the Sheath Material: Select SS304, SS316, or Inconel 600 according to temperature, corrosion, and process conditions.
- Choose the Mounting Method: Select a standard probe, spring-loaded design, mini plug, threaded connection, or compression fitting.
- Confirm Dimensions: Specify probe diameter, length, bending angle, thread, connector, and cable requirements.
Custom OEM Solutions
EaseWise supports OEM and replacement production according to drawings, samples, photos, and technical specifications.
- Probe diameter and length
- Sheath and protection material
- Thread, spring, and compression fitting
- Connector and cable configuration
- Grounded or ungrounded junction
- Custom bending and installation dimensions
- High-temperature and special-environment configurations
OEM Manufacturer & Supplier
EaseWise supplies Sheathed Thermocouples for injection molding, plastic processing, industrial ovens, furnaces, pipelines, boilers, laboratory equipment, food processing, and other industrial applications.
For OEM or replacement projects, send us the thermocouple type, probe diameter, probe length, sheath material, junction type, connector, thread, and application details. Drawings, photos, or existing samples are also welcome.
Related Thermocouple Products
- Spring Loaded Thermocouple – spring-loaded mounting for improved probe contact.
- Mini Plug Thermocouple – compact connection for quick installation and replacement.
- Threaded Compression Fitting Thermocouple – threaded or compression installation for secure positioning.
- Ultra-Thin Fine Diameter Sheathed Thermocouple – small-diameter construction for narrow spaces and fast response.
- Industrial Thermocouples – complete thermocouple product range.
Related Content
- Sheathed vs Assembly Thermocouple – compare construction, response time, installation, and industrial applications.
- Thermocouple Applications – explore industrial temperature measurement applications.
- Thermocouple Types & Selection Guide – compare common thermocouple types and selection factors.
Request OEM Support
For OEM or replacement requirements, send us the thermocouple type, probe diameter, length, sheath material, junction type, connector, thread, and application details. Drawings, photos, or existing samples are also welcome.
Amy – Sales
Email:
amy-easewise@tzheater.com
WhatsApp:
+86 188 8318 8154
Hanna – Sales
Email:
hanna-easewise@tzheater.com
WhatsApp:
+86 178 5163 6811
Custom straight and L-type sheathed thermocouples are available for OEM and replacement applications.
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